Three light bulbs are wired in series. A fourth bulb is connected to the circuit in series. Technician A says that the total voltage drop will increase. Technician B says that the current (amperes) will decrease. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
B
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What will be an ideal response?
A "lead" is one of the terms used for ____.
A. rack and pinion gears B. worm gears C. sleeve bearings D. hypoid gears E. none of the above
Why should caution be exercised when replacing a low-efficiency air filter with a higher-efficiency air filter?
A) It is possible for air that is too clean to increase the occupant's sensitivity to allergens. B) The lower pressure drop across high-efficiency filters can cause the blower motor to draw high amps. C) Higher-efficiency filters have a higher pressure drop, which can cause poor airflow. D) Air-conditioning coils depend on a certain amount of small particulates to help moisture precipitate out of the air.
A transistor can function as a
A) light. B) relay. C) power supply. D) switch.